Explain the concept of federalism. (1-2 paragraphs)

Federalism is the structure where two or more levels of government operate alongside each other with some autonomy, although they have overlapping jurisdiction and specific functions. During the formation of the U.S. Constitution, there were federalist and antifederalist arguments being made. Explain the concept of federalism; use specific examples of federalism and antifederalism in your posting. 

Which group had the best arguments? Support your argument with examples. Incorporate some of the shifts that took place between both groups (federalists and antifederalists) to support your response.